Why can i install Security Update for Microsoft .NET Framework 4?


  1. Posts : 406
    windows7 Ultimate SP1 x32bit
       #1

    Why can i install Security Update for Microsoft .NET Framework 4?


    I try to install "Security Update for Microsoft .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008 x86 (KB2446708)" using windows Automatic update service, in many times, but i can't. Always show "66A error". Windows update center only show error for this "Microsoft .NET Framework 4 " update. (Other updates successfully install.) Then i manually downloaded its .exe installer and try to install it. Then i receive this error. How do i install this security update?


    Windows Update center error.


    Manual installation error.
      My Computer


  2. Posts : 382
    Windows 7 Ultimate 64 bit
       #2

    Try this:

    Error code 66a .net framework 4 - Microsoft Answers

    A. Click on Start and click on Control panel.
    B. Go to Program and Features.
    C. Scroll down to Microsoft.Net Framework 4 Client Profile, right click it.
    D. It will give you a choice of Uninstall/Change, click it.
    E. Then, it will give a choice to Repair it, pick Repair it. It will take about 4-10 minutes to repair (with my PC) your experience may vary.
    F. When completed, go to your update center, and update it again.
      My Computer


  3. NoN
    Posts : 4,166
    Windows 7 Professional SP1 - x64 [Non-UEFI Boot]
       #3
      My Computer


  4. Posts : 406
    windows7 Ultimate SP1 x32bit
    Thread Starter
       #4

    Not work above solutions. So what next?
      My Computer


  5. Posts : 33
    Windows 7 Ultimate 64bit
       #5

    You can try to use the removal tool for .net and then reinstall. works for me every time at the shop.
    .NET Framework Cleanup Tool User's Guide - Aaron Stebner's WebLog - Site Home - MSDN Blogs
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  6. Posts : 406
    windows7 Ultimate SP1 x32bit
    Thread Starter
       #6

    After completely removing .NET Framework 4 my problem fix. Thanks all of you!
      My Computer


 

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